Stanton would legitimately be worth it because you get at least 4 prime seasons out of him. Verlander's contract will be an albatross soon, I'd pass
I don't really understand the hesitation with Stanton though. Why not just give him Hamilton's money and then use the rest of the budget on the bullpen?
The bottom line is if you can get a 50 HR bat to hit behind Trout's .450 OBP for a couple prospects, you do it